Question: Question 5 a) Describe Carnot cycle with steam as working substance using the p-v and T-s diagrams. [10] b) A perfect gas occupies a volume

Question 5 a) Describe Carnot cycle with steam as working substance using the p-v and T-s diagrams. [10] b) A perfect gas occupies a volume of 0.1m at a temperature of 20Cand a pressure of 2.5bar. Find the final temperature of the gas, if it is compressed to a pressure of 7.5 bar and occupies a volume of 0.04m. [6] c) Present the differences and similarities of a heat engine, a refrigerator and a heat pump. [9] [Total = 25marks]

a) Describe Carnot cycle with steam as working substance using the pv and T-s diagrams. (10] b) A perfect gas occupies a volume of 0.1m3 at a temperature of 20 Cand a pressure of 2.5 bar. Find the final temperature of the gas, if it is compressed to a pressure of 7.5 bar and occupies a volume of 0.04m3. [6] c) Present the differences and similarities of a heat engine, a refrigerator and a heat pump. [9] [Total =25 marks]

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